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Finding the Fourth Proportional to 567,008.40, 851,824.80 and 389,861.40

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Solution

The fourth proportional to 567,008.40, 851,824.80 and 389,861.40 is: 585,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,008.40 : 851,824.80 = 389,861.40 : x
  2. Step 2: Convert to fraction form
    567,008.40/851,824.80 = 389,861.40/x
  3. Step 3: Cross multiply
    567,008.40x = 851,824.80 × 389,861.40
  4. Step 4: Simplify right side
    567,008.40x = 332,093,609,082.72
  5. Step 5: Solve for x
    x = 332,093,609,082.72/567,008.40
  6. Step 6: Final answer
    x = 585,694.34

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